Cleansing composition



erably between 35 and 45 per cent. trisodium phosphate 30-50%, sodium meta- Patented Sept. 27, 1932 UNIT-ED sr 'ras PATENT OFFICE WALTER A. SCOTT, OF PO'UGHKEEPSIE, NEW YORK, ASSIGNOR TO THE DE LAVAL SEP- ARATOR COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY CLEANSING oomrosrrron No Drawing. Application filed may 26, 1928. Seria1,No.-280,954.

l Iy invention relates to cleansing compometasilicateabout 53% and soap about 5,%. sitlons and particularly to that class of clean- For certain purposes, a good cleanser can sing compositions ordinarily called soap powbe made containing the speclfied ingredients ders. in proportions outside even the max1mum The object of my invention is to provide a ranges specified; but for general purposes cleansing composition of high efliciencyfor and particularly for cleansing dairy equipgeneral use and particularly of maximum e ment, the ingredients specified should be the ficien'cy for cleansing dairy equipment, inrangesof proportions specified I cuding pails, cans, milking machines, etc. The addition of a minor proportion of The requirements for such a composition are other material is permissible, but in such case, that it will quickly remove dried fat and while the relative preferred proportions of casein and that it may be easily completely the ingredients specified should The mainrinsed off so that no objectionable film or .tained, theirobsolute proportions should be stain will remain. It is also necessary that reduced in accordance with the proportion of it shall have no injurious efiects on alumiother materials that may be added.

num, tin, steel or rubber. The relative proportions specified are v A composition embodying -my inbased on weight. w vention and accomplishing the foregoing What I claim and desire to protect by Let- 4 objects comprises trisodium phosphate ters Patent isz (Na PO -l-12H O), sodium metasilicate 1. A composition for cleansing dairy (NA SiO 9H O), soap,-preferably a sodium equipment containing trisodium phosphate, s ap Cm aa z), and Soda ash (N 2 s)- sodium metasilicate and soap in about the A less efficient cleanser may be made Withfollowing relative proportions: trisodium out the soda ash. phosphate 32-52%, sodium metasilicate The proportion of trisodium phosphate 42-62% and soap 210%'.

may vary from to 50 per cent, but is pref- 2. A composition for cleansing dairy 75 erably between and per cent. equipment containing trisodium phosphate,

The proportion of sodium metasilica e may sodium metasilicate, soda ash and soap in vary from 40 to per cent., but is preferably bout th f llo i r l ti ti ns;

The proportion of soap may vary from 2 silicate 4.060%, soap 240%, and not over to 10 per cent., but is preferably between 3 about, 1O%', f oda. ash. and8per cent. 3. A composition for cleansing dairy The proportion of soda ash should n X- equipment containing trisodium phosphate, 35 9 0 P 0611i? and preferably 5h0l11d t sodium metasilicate and soap in about the 35 excetd 12 the most d l P following relative proportions: trisodium Portlon biimg l? phosphate 37-47%, ,sodium metasilicate A specific compos tion which ispreferred 7 7 and p for the Purpose f clfiansmg dalry eqmp' 4. A composition for cleansing dairy 40 ment comprises trisodium phosphate about equipment; con-mining trisodium phgsphate 9 Sodmm metaslhcate about Sqilp sodium metasilica'te soda ash and soa in about 5% and soda ash about 5 0. p

If the soda ash is Omitted or is added in about the following relative proportionsztrimuch reduced proportion the preferred perbdium Phosphate. 35.45% Sodium metasil; 45 centages of the other irigredients, particut p 1 not e about larly of the trisodium phosphate and the soof Soda I dium metasilicate, should be correspondingly c p t o cleansing 'y increased. Thus, if thesoda ash be omitted, q p n f g tllsodlllll} p sphat a specific preferred composition would com- \sodium metasihcate and soap in about the.

50 prisetrisodium phosphate about 42%,sodium relative proportions of 42% of "trisodiumioo phosphate, 53% of sodium metasilicate and 5% of soap.

6. A composition for cleansing dairy equipment containing trisodium phosphate, sodium metasilicate, soda ash and soap in about the relative proportions of 40% of trisodium phosphate, 50% of sodium metasilicate and 10% of soda ash and soap.

In testimony of which invention, I have hereunto set my hand, at Poughkeepsie, New York, on this 23d day of May, 1928.

WALTER A. SCOTT. 

